A Cost Function Model for CRRM over Heterogeneous Wireless Networks
Wireless Personal Communications: An International Journal
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Wireless communication research is evolving towards integration, inter-working and convergence of wireless systems, which will lead to several concepts of simultaneous use. In the present paper, a coherent set of 10 concepts of simultaneous use is identified, and structured into a space of simultaneous use, where services, systems and operators act as building components. A high level analysis is performed, where the pros and cons of the different concepts are identified. Illustrative examples are also provided for some concepts. Several parameters are listed for the evaluation and comparison of simultaneous use concepts (e.g., cost, throughput and complexity), depending on taking either a users or an operators perspective. One of the largest benefits of this systematic identification of simultaneous use concepts is the identification, from the perspective of users and operators, of essential R&D issues on inter-working and integration, which will lead to a promising pervasive wireless communications future.